0.38 TRAPA NATANS L.         5-6
 0.52 POTAMOGETON TRICHOIDES  1-6
 0.55 POTAMOGETON LUCENS L.   1-6
   0.55 NAIAS MAJOR ALL.        1-6
 0.57 CERATOPHYLLUM DEMERSUM  1-6
 0.57 NUPHAR LUTEUM SM.       1-6
 0.59 MYRIOPHYLLUM SPICATUM L 1-6
 0.59 POTAMOGETON OBTUSIFOLIU 1-6
 0.60 NYMPHAEA ALBA L.        1-6
 0.60 MYRIOPHYLLUM VERTICILLA 1-6
 0.61 CERATOPHYLLUM DEMERSUM  5-6
 0.62 POTAMOGETON LUCENS L.   4-6
 0.62 POTAMOGETON CRISPUS L.  1-6
   0.63 NYMPHOIDES PELTATA (GME 1-6
 0.63 MYRIOPHYLLUM SPICATUM L 4-6
 0.63 NAIAS MINOR ALL.        1-6
 0.63 MYRIOPHYLLUM VERTICILLA 4-6
 0.64 POTAMOGETON NATANS L.   1-6
 0.64 RANUNCULUS CIRCINATUS S 1-6
 0.64 POTAMOGETON PERFOLIATUS 1-6
 0.64 NYMPHAEA ALBA L.        5-6
 0.66 SAGITTARIA SAGITTIFOLIA 1-6
 0.66 POTAMOGETON PECTINATUS  1-6
   0.67 NYMPHOIDES PELTATA (GME 5-6
 0.67 NUPHAR LUTEUM SM.       5-6
 0.67 HELODEA CANADENSIS RICH 1-6
 0.68 POTAMOGETON PUSILLUS L. 1-6
 0.68 SAGITTARIA SAGITTIFOLIA 3-6
 0.68 UTRICULARIA MAJOR SCHMI 1-6
 0.68 RANUNCULUS CIRCINATUS S 3-6